CN109562462A - The manufacturing method of the grasping system and the cutter bracket for this knife rest of knife rest and this knife rest - Google Patents
The manufacturing method of the grasping system and the cutter bracket for this knife rest of knife rest and this knife rest Download PDFInfo
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- CN109562462A CN109562462A CN201780049246.XA CN201780049246A CN109562462A CN 109562462 A CN109562462 A CN 109562462A CN 201780049246 A CN201780049246 A CN 201780049246A CN 109562462 A CN109562462 A CN 109562462A
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- bracket
- knife rest
- cutter
- barrier element
- clamping
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 16
- 230000004888 barrier function Effects 0.000 claims abstract description 117
- 230000000295 complement effect Effects 0.000 claims abstract description 25
- 238000000034 method Methods 0.000 claims description 23
- 239000000463 material Substances 0.000 claims description 13
- 230000000903 blocking effect Effects 0.000 claims description 10
- 238000009760 electrical discharge machining Methods 0.000 claims description 6
- 230000008901 benefit Effects 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 230000005518 electrochemistry Effects 0.000 claims description 4
- 230000009471 action Effects 0.000 claims description 3
- 239000000919 ceramic Substances 0.000 claims description 3
- 238000013461 design Methods 0.000 claims description 3
- 239000012530 fluid Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 239000011343 solid material Substances 0.000 claims description 3
- 230000008602 contraction Effects 0.000 claims description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims 1
- 239000010931 gold Substances 0.000 claims 1
- 229910052737 gold Inorganic materials 0.000 claims 1
- 239000007787 solid Substances 0.000 description 6
- 238000003780 insertion Methods 0.000 description 5
- 230000037431 insertion Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 238000005520 cutting process Methods 0.000 description 3
- 201000002672 Miura type epiphyseal chondrodysplasia Diseases 0.000 description 2
- 238000002679 ablation Methods 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000003672 processing method Methods 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
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- 230000006698 induction Effects 0.000 description 1
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- 239000007769 metal material Substances 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
- B23B31/005—Cylindrical shanks of tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
- B23B31/02—Chucks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
- B23B31/02—Chucks
- B23B31/10—Chucks characterised by the retaining or gripping devices or their immediate operating means
- B23B31/117—Retention by friction only, e.g. using springs, resilient sleeves, tapers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
- B23B31/02—Chucks
- B23B31/10—Chucks characterised by the retaining or gripping devices or their immediate operating means
- B23B31/117—Retention by friction only, e.g. using springs, resilient sleeves, tapers
- B23B31/1179—Retention by friction only, e.g. using springs, resilient sleeves, tapers using heating and cooling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
- B23B31/02—Chucks
- B23B31/10—Chucks characterised by the retaining or gripping devices or their immediate operating means
- B23B31/12—Chucks with simultaneously-acting jaws, whether or not also individually adjustable
- B23B31/20—Longitudinally-split sleeves, e.g. collet chucks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
- B23B31/02—Chucks
- B23B31/10—Chucks characterised by the retaining or gripping devices or their immediate operating means
- B23B31/12—Chucks with simultaneously-acting jaws, whether or not also individually adjustable
- B23B31/20—Longitudinally-split sleeves, e.g. collet chucks
- B23B31/201—Characterized by features relating primarily to remote control of the gripping means
- B23B31/2012—Threaded cam actuator
- B23B31/20125—Axially fixed cam, moving jaws
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
- B23B31/02—Chucks
- B23B31/24—Chucks characterised by features relating primarily to remote control of the gripping means
- B23B31/30—Chucks characterised by features relating primarily to remote control of the gripping means using fluid-pressure means in the chuck
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
- B23B31/02—Chucks
- B23B31/24—Chucks characterised by features relating primarily to remote control of the gripping means
- B23B31/30—Chucks characterised by features relating primarily to remote control of the gripping means using fluid-pressure means in the chuck
- B23B31/305—Chucks characterised by features relating primarily to remote control of the gripping means using fluid-pressure means in the chuck the gripping means is a deformable sleeve
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2231/00—Details of chucks, toolholder shanks or tool shanks
- B23B2231/02—Features of shanks of tools not relating to the operation performed by the tool
- B23B2231/026—Grooves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2231/00—Details of chucks, toolholder shanks or tool shanks
- B23B2231/02—Features of shanks of tools not relating to the operation performed by the tool
- B23B2231/028—Lugs
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gripping On Spindles (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
- Details Of Cutting Devices (AREA)
Abstract
The present invention relates to a kind of knife rests 1, its deformable bracket 3 and at least one barrier element 9a, 9b with main body 2, for clamping cutter 13, cutter 1 is axially displaced in order to prevent leaves knife rest 1, at least one described barrier element is configured to be bonded on cutter 13 in corresponding complementary elements 14a and is arranged at bracket 3.In order to allow the stable fastening of the extra high concentricity of knife rest and the cutter of clamping, and at the same time in order to ensure easy to manufacture, there are two clamping part 3a, 3b spaced apart, described at least one barrier element 9a, 9b are arranged between two clamping parts spaced apart the tool of bracket 3.
Description
Technical field
The present invention relates to a kind of knife rests of frictional grip for cutter.The invention further relates to the grasping systems of this knife rest
And the manufacturing method of the cutter bracket for this knife rest.
Background technique
A kind of knife rest is learnt by 2013/098192 A1 of WO, the deformable bracket with main body and for clamping cutter.
Bracket has multiple barrier elements, is designed to engage to the corresponding complementary elements on cutter to prevent the axially displaced of cutter,
And the multiple barrier element is arranged on the bracket.
Summary of the invention
The task of the present invention is the grasping systems of the knife rest and this knife rest that design the type that one kind has just been mentioned, allow
The extra high concentricity of the cutter be clamped/sandwiched and stable fastening are and at the same time easily fabricated.
The task by the knife rest of the feature with claim 1 and the grasping system of the feature with claim 17 with
And the manufacturing method of the cutter bracket for this knife rest of the feature with claim 18 solves.Of the invention is convenient
Remodeling and advantageous embodiment are mentioned in the dependent claims.
Bracket in knife rest according to the present invention has two clamping sections being separated from each other, between two clamping sections
It is disposed at least one described barrier element/locking element.Cutter can be spaced apart relative to two via bracket clamping
Section is introduced into bracket especially to be clamped securely in the form of tight fit, and the clamping of cutter can also especially occur in knife
On the free end for having shank, so as to improve the concentricity and fastening of cutter.According to the present invention, bracket can also be divided into more than two
Holding cutter clamping section, it is important that barrier element is arranged between two clamping sections of bracket.According to this hair
It is bright importantly, barrier element is designed to fixed cutting tool shank to prevent unexpected movement, particularly axially fine motion and radial direction
Mobile, wherein tool shank is clamped by clamping section.
In an advantageous embodiment, at least one described barrier element can be disposed relative to bracket radially outward
In the supporting surface of deviation.It ensure that clamped cutter is only frictionally pressed from both sides via the clamping section spaced apart of bracket
It holds, so as to prevent from carrying out unfavorable effect caused by this frictional grip as supporting surface.In addition, with barrier element
Supporting surface can also be manufactured particularly simply.
Supporting surface with specific advantages can be formed in circular/circumferential ring-shaped groove.For clamping cutter
Bracket is divided into outer clamping section and interior clamping section by ring-shaped groove.It is outer clamping section close to bracket an open end arrange,
And interior clamping section is arranged far from the open end of bracket.Ring-shaped groove is then sized to so that at least one described resistance
Gear element is formed entirely in it, i.e., not prominent in clamping section.
In addition, in an advantageous embodiment, can be arranged between barrier element and two clamping sections of bracket
There is another ring-shaped groove.In order to allow simply to manufacture, these other circumferential ring-shaped grooves can be relative to supporting surface
Circumferential ring-shaped groove is radially outwardly diverging from.Therefore, these other ring-shaped grooves are designed to undercut and are in addition conducive to bracket
Manufacture.
Particularly preferred embodiment with the supporting surface being radially outwardly diverging from relative to bracket also has relative to existing
There is the another advantage of technology.If cutter be by mean of friction in such a way that torque is fixed/to clamp with transmitting torque, this is logical
Often by narrowing and occurring the bracket opening/notch for being used for cutter.If this bracket opening has barrier element, the resistance
Gear element is pressed against on cutter in clamping process or entering tool, as surrounding the surface of barrier element.In existing skill
In art, since this repetition on the surface of barrier element and encirclement is pressed against, it may occur however that tool shank or bracket opening
Damage.For example, the barrier trench on cutter may deform, so that cutter may inclination during continuing on.Stop member
Part is also possible to deform against barrier trench or on the shank of harder cutter, this also results in inclination.There is also such danger
Danger: the film of the sensitive position on chuck, especially hydraulic expansion chuck will be damaged and chuck is therefore and by can not repair
Multiple damage.This is naturally also suitable for opposite situation, i.e., when cutter has barrier element and barrier trench is located at cutter support
Situation in seat.
The size for reducing barrier element is not typically possible, because this can interfere the accurate insertion of cutter and may subtract
Weak retentivity.
A particularly preferred embodiment of the invention solves the problems, such as this, and wherein barrier element is not located in clamping table
It in face, and is located between two clamping sections being separated from each other, described two clamping sections are by being radially outwardly diverging from
Supporting surface separate, the supporting surface equally has barrier element.Barrier element and in radial directions encirclement stop member
The supporting surface of part will not all be pressed into or against barrier trench or tool shank.The table of barrier element is surrounded in radial directions
The face not applied force on tool shank.
In an advantageous embodiment, knife rest is made of main body and at least one barrier element, and the main body, which has, to be used
In the deformable bracket of clamping cutter, at least one described barrier element is designed to be bonded on the corresponding complementary elements on cutter
In to prevent cutter from axially falling off/shifting from knife rest, and at least one described barrier element is arranged on bracket, and bracket has
Two clamping sections being separated from each other, at least one described barrier element are arranged between two clamping sections, it is described at least
One barrier element is disposed relative in the supporting surface that bracket is radially outwardly diverging from, and wherein in clamp position lower support
Surface is not also contacted with tool shank.
By the supporting surface being radially outwardly diverging from relative to bracket, the vibration trend for mitigating rotary cutter also can produce
Effect of damping.
In a particularly advantageous embodiment, at least one described barrier element is designed to protrude inwardly from bracket
Shank of the protrusion to be bonded on clamped cutter on corresponding recesses in, which is conveniently designed to bracket at one
Body and spark erosion method is removed by material in a groove and/or is made of solid slug of electrochemistry removal method.However, setting
Set that the barrier element on bracket can also be designed accordingly as groove and the relative subject designed on cutter is designed
For protrusion.Barrier element can have for simplifying the transversal of the semicircle or part circular that are bonded in corresponding complementary elements
Face.
Preferably, in the entire height of barrier element, will not radially generate between cutter and knife rest is abutted against, resistance
It keeps off except the engagement between element and barrier trench.
At least one described barrier element advantageously can inside bracket at least partly periphery of bracket with helix/
The mode of screw thread extends.The holding more evenly on periphery may be implemented, because extending on at least partly periphery of bracket more
A barrier element (for example, two, three or four) is arranged to the screw thread inside bracket.When there are multiple barrier elements,
They are easily arranged on bracket at equal angular at interval in circumferential direction.
In a particularly convenient embodiment, bracket is arranged on the expansion bushing in the bracket opening of main body, and
Hydraulic fluid can be used from external action to expansion bushing, at least one described barrier element is arranged in inside expansion bushing.
However, bracket is also possible to be designed to the shrink-fit chuck integral with main body, rolling force chuck, is arranged in card
Tapered sleeve in disk or be arranged in the bracket opening of main body and can by means of collet chuck that clamping element deforms/
Collet chuck, at least one described barrier element or another frictional grip system are arranged in it.
Facilitate at one and manufacture and be suitable in the embodiment of assembling, at least one described barrier element can be by direct mould
System is on bracket.However, barrier element is also possible to the independent component such as being designed as ball, blocking pin, the independent component
It is secured to bracket and extends in bracket region.
Bracket can be made of the mixture of ceramics, metal or both.
Grasping system according to the present invention includes knife rest and cutter, and intermediate slide includes main body, can for clamp cutter
Deform bracket and with bracket integrated design or as at least one barrier element of individual component installation, at least one described resistance
Gear element is bonded on to prevent cutter axially displaced from knife rest in the corresponding complementary elements on cutter, and bracket, which has, to be separated from each other
Two clamping sections, at least one described barrier element is disposed there between.
In order to directly mould barrier element on bracket, bracket according to the present invention, which preferably passes through, generates groove by solid
Metal material by means of material remove/subtract material process manufacture, in this case, during the generation of groove, in order to formed with
The integrally formed barrier element of bracket, manufactures at least one protrusion outstanding in a groove, so that bracket is divided into two clampings
Section, at least one described barrier element are disposed there between.Barrier element one between two clamping sections of bracket
Ground is formed on bracket.In order to by metal it is solid/solid material manufacture bracket, material remove spark erosion method such as EDM (electric discharge plus
Work/electrical discharge machining) and/or electrochemistry removal method such as ECM (electrical-chemistry method) or combinations thereof as (electrochemical discharge adds ECDM
Work) have proved to be particularly convenient.Remove/subtract material method using this material, can produce be used to form in bracket to
The labyrinth of the protrusion of interior extension, and form barrier element according to the present invention.In order to be produced in solid/solid pieces of material
Raw groove, can use processing method in the first initial treatment process, and material is used in last treatment process
Removal/ablation spark erosion method such as EDM (electro-discharge machining) and/or electrochemistry removal method, then can manufacture to form barrier element
Fine structure is to form protrusion in a groove.It should be understood that groove can also be produced using processing method completely.
In a kind of production method of substitution, bracket can also by pressure it is laser sintered or using other increasing material methods by
Ceramics and/or metal powder are made.
Preferably, barrier trench is also in that shape of threads/helical form is formed on cutter, that is, barrier trench is at least partly in
Spiral form extends around the shank of cutter.Then it is emphasized that at least one described barrier element and barrier trench with
The mode of nut thread or bolt thread is formed, but does not have actual screw thread.Pitch/spacing of barrier trench is therefore ideally
Greater than groove width, and multiple barrier elements with same shape can also be formed at identical axial height, this at
For the possible reason is because barrier element only has relatively short range, makes when two kinds of direction observations both axially and radially
Obtain not formed complete screw thread in radial directions.At least one described barrier element is preferably relative to across rotation axis
Plane is between 50 ° and 70 °, preferably 60 ° of angular alignment.In practice it means that can be with faster speed more
Tool changing tool, this is a clear advantage, especially in shrink-fit chuck.Then cutter preferably it is unnecessary to being inserted into and
Rotate complete 360 °.
By being formed in barrier trench as the screw thread opposite with the direction of rotation of cutter on tool shank, barrier trench
Apply blocking effect on its entire axial range.Therefore, cutter can keep no torque and in barrier element and blocking ditch
Any joint of slot is fixed into and prevents from pulling out.In practice, this need/make user can be convenient to the length of cutter into
Row is adjusted.Ideally, barrier trench has constant depth in turn.
In order to reliably and quickly be inserted into cutter, it is advantageous that the barrier trench on cutter is away from the one of cutting
Side starts.In a particular embodiment, it can specify that the trend of remainder is deviateed/be different from the beginning of barrier trench,
In this be not formed as spiral shape, but it is e.g. straight or there is increased groove width.Therefore it can simplify inserting for cutter
Enter.Barrier trench in the part, which only restrictively has, to be kept cutter without torque and is secured against the ability being drawn out simultaneously.
Detailed description of the invention
According to below with reference to attached drawing description of preferred embodiments, other details of the invention and advantage are apparent
's.In the accompanying drawings:
Fig. 1 shows the longitudinal profile of the knife rest for the shrink-fit chuck that form is the heat clamping for cutter；
Fig. 2 shows the detail drawings of the region A of Fig. 1；
Fig. 3 shows the perspective sectional view of the region A of Fig. 1；
Fig. 4 shows the knife rest of Fig. 1 of the first erection stage in tool parts insertion；
Fig. 5 shows the detail drawing of the region B of Fig. 4；
Fig. 6 shows the knife rest of the Fig. 4 for the second erection stage being further inserted into cutter；
Fig. 7 shows the detail drawing of the region C of Fig. 6；
Fig. 8 shows the knife rest of the Fig. 6 for the final erection stage being fully inserted into cutter；And
Fig. 9 shows the detail drawing of the region D of Fig. 8.
Specific embodiment
Fig. 1 shows swivelling tool-holder 1 with longitudinal profile, is depicted as HSK shrink-fit chuck herein, has rotation pair
The bracket 3 of the main body 2 of title and the shank (being not shown here) for clamping rotary cutter being arranged in main body 2.Main body 2 has
Conical rear portion with the slightly tapered front 4 of bracket opening/notch 5 and for being contained in process tool in operation axis
6.The outside of main body 2 be provided between front 4 and conical rear portion 6 holder channel 7 and for knife rest 1 it is different/
The installation part 8 of clear electromagnetism or the identification device (not shown) of optical identification.
Bracket 3 for clamping cutter is designed to cylindrical hole and has outer clamping section 3a and interior clamping section 3b,
Its press-fit region for being each used as the tool shank for cutter.Multiple blockings are disposed between clamping section 3a, 3b
Element 9a, 9b are designed to prevent cutter axially displaced from knife rest, to engage to the corresponding complementary elements on cutter.Inner clip
At least the 1/20 of the length that the length for holding section 3b is outer clamping section 3a, preferably more than 1/10, and especially greater than 1/5.
The detail drawing of the region A of Fig. 1 is shown in Fig. 2.Such as from Fig. 2 it is inferred that barrier element 9a --- with blocking member
Part 9b (not shown) is the same --- it is disposed relative in the supporting surface 10 that bracket 3 is radially outwardly diverging from.Supporting surface 10 by
The bottom of ring-shaped groove 11 is formed.In the ring-shaped groove 11 of supporting surface 10 and the outer clamping section 3a of bracket 3 and interior clamp area
Other circumferential ring-shaped groove 12a or 12b is disposed on the axis direction of bracket 3 between section 3b.Other ring-shaped groove
12a, 12b are radially outwardly diverging from relative to the circumferential ring-shaped groove 11 of supporting surface 10, so that in the two sides shape of ring-shaped groove 11
At there is undercutting.
In a unshowned embodiment, bracket 3 also may be designed for the conical handle of clamping rotary cutter
The round taper hole in portion.It means that with discribed embodiment on the contrary, the diameter of clamping section 3a, 3b of bracket 3 are not constant
, but be continuously reduced from outer clamping section 3a to interior clamping section 3b.In this case, circumferential ring-shaped groove in addition
12a, 12b and ring-shaped groove 11 are radially outwardly diverging from relative to the adjacent area of outer clamping section 3a and interior clamping section 3b,
To also realize undercutting.
Especially it will be apparent that barrier element 9a, 9b such as from the perspective view to the cross-sectional view of Fig. 2 being shown in FIG. 3
Be formed as extending inwardly into the protrusion in bracket opening 5, extended on the circumferential part of bracket with spiral/engagement thread and
In the corresponding complementary elements for being formed as the cylindrical shank (being not shown here) for being bonded on cutter.
Barrier element 9a, 9b are with semi-circular cross-section and are arranged to have in the section view other resistance not shown in the figure
Element is kept off, is separated from each other in circumferential direction with equal angle.In this embodiment, in circumferential direction mutually with phase
Deng spaced apart totally three protrusions of angle be set as barrier element 9a, 9b with spiral/thread forms and clamp section outside
Extended in a manner of three-start screw/spiral with same-handed angle on each comfortable bracket 3 between 3a and interior clamping section 3b.With
The matched complementary elements of barrier element 9a, 9b on cutter are designed accordingly as barrier trench, along week since below
Side surface is extended in a manner of three-start screw in coiled type in the outside of the cylindrical shank of cutter.Safety device is pulled out to pass through
It is generated in the correspondence complementary elements that barrier element 9a, 9b are bonded on cutter, which prevents for example due to during processing
Vibration and caused by cutter it is axially displaced.
According to the method for the present invention, by being removed/ablation spark erosion method (for example, EDM or ECDM) production by means of material
Raw recess portion easily manufactures bracket 3 by metal solid material block (for example, solid cylinder), and wherein barrier element 9a, 9b is recessed
It is left as the inwardly projecting protrusion in cylindrical hole during the generation of slot.
Fig. 4 shows the knife rest 1 of Fig. 1 of the first erection stage in 13 partial insertion of cutter.Cutter 13 is preferably used
In the rotary cutter of processing, such as cylindrical end milling cutter.In order to which cutter 13 to be clamped in knife rest 1, cutter 13 is in insertion knife rest 1
It must initially rotate later, so that the barrier element 9a on bracket 3 is engaged with the corresponding complementary elements 14a on cutter 13.Such as
It has been described, the complementary elements 14a (corresponding to barrier element 9a) on cutter 13 is in line together with other complementary elements
Round is designed as three-start screw/spiral way barrier trench on the outside of the cylindrical shank of cutter 13, from along week
Side starts behind surface.
The detail drawing of the region B of Fig. 4 is shown in FIG. 5.As wherein visible, in first erection stage, 13 straight cutting of cutter
To the other ring-shaped groove 12a between the ring-shaped groove 11 with supporting surface 10 and the outer clamping section 3a of bracket 3.It should
Installation steps can particularly quick occur, because cutter 13 can be in the case where being not necessarily to the special Angle Position relative to knife rest 1
It is axially inserted into bracket opening 5 along straight line.When cutter 13 is further inserted into bracket opening 5, the cylindrical shank of cutter 13
Behind with bracket opening 5 in protrude inwardly from barrier element 9a, 9b be in contact.In the position, cutter 13 must pass through edge
The rotation of its longitudinal axis to change its Angle Position relative to knife rest 1, until being formed as matching for barrier trench on cutter 13
Element 14a is engaged together with other complementary elements with barrier element 9a, 9b and cutter 13 can carry out further
Spiral insertion.
The knife rest 1 of Fig. 4 is shown at subsequent second erection stage that cutter 13 is further inserted into Fig. 6, wherein knife
Outer clamping section 3a and interior clamping section 3b of the tool 13 against bracket 3.As especially from being shown in FIG. 7 in Fig. 6
The detail drawing of region C is designed as matching for barrier trench as it can be seen that then discribed barrier element 9a is bonded in form-fit manner
To in element 14a.The other barrier element (not shown) being distributed on the periphery of bracket also engages in corresponding other blocking
In groove, so that cutter 13 is guided along bracket 3 around the peripheral helicoid with being distributed.Finally by means of screw shape
Cutter 13 is further installed in the rotation of formula/promotion campaign combination.
The final erection stage that cutter 13 is fully inserted into is in the knife rest 1 that half section shows Fig. 6 in fig. 8.Such as in knife
Visible and as already described in the side view of tool 13, complementary elements 14a, 14b are since below 15, in cutter 13
Cylindrical shank outside on as three-start screw/spiral mode barrier trench in a manner of coiled type peripherally surface
It is axially extending.
In described end erection stage, bottom section 16 of the cutter 13 with face 15 against bracket opening 5.?
Central through hole 17 is provided in bottom section 16 for reaching cutter 13 through knife rest 1 for coolant and lubricant.Through-hole 17 is set
It is calculated as screw hole (not shown), the stop screw that can be adjusted axially can be inserted wherein.In this variant, with the cutter of pommel 15
13 can be pushed into regulation stopper section.It should be understood that stop screw passing through for coolant/lubricant of being preferably to perforate.
The detail drawing of the region D of Fig. 8 is shown in FIG. 9.The simple manufacture of the interior zone 3b of bracket 3 is realized, because
The centre being radially outwardly diverging from relative to interior clamping section 3b is provided between bottom section 16 and the interior clamping section 3b of bracket 3
Region 18.
As already explained, in the embodiment depicted, bracket 3 is designed to match with the contraction that main body 2 is integrally formed
Close chuck.Shrink-fit chuck in this knife rest 1 is for example heated so that in shrink-fit chuck by induction heating
Diameter increases.In a heated state, cutter 13 is inserted into shrink-fit chuck, in this case the internal diameter of shrink-fit chuck 13
With the ratio between the outer diameter of tool shank be arranged so that cutter 13 shrink-fit chuck it is subsequent cooling when be securely held in
In shrink-fit chuck.The clamping of the shape cooperation of cutter 13 can be barrier element 9a, 9b in the form of coiled type protrusion
Barrier trench is designed as on the inwardly projecting tool shank to be bonded on cutter 13 in the inside of the bracket 3 of shrink-fit chuck
It is realized in complementary elements 14a, 14b.
Cutter can also be clamped in shrink-fit chuck via tapered sleeve.Tapered sleeve is designed as out in a known way
Slot sleeve, the internal diameter of the outer diameter with multiple axial slits and suitable tool shank.Tapered sleeve is inside it on bracket
It is the inwardly projecting barrier element of coiled type protrusion with form, is used between two clamping sections of bracket be bonded on
It is designed as in the complementary elements of the barrier trench on the tool shank of cutter.Tapered sleeve also includes coiled type on the outside
Barrier trench is used to be formed in the bracket of shrink-fit chuck with the inwardly projecting protrusion form extended in a manner of coiled type
Inside on barrier element engagement.Therefore, the axially displaced pull-out safety device for preventing tapered sleeve is also achieved.
Instead of shrink-fit chuck, knife rest 1 also can be designed as oild chuck, which makees with expansion bushing
For bracket.In which case it is possible to use hydraulic fluid from external action on expansion bushing so that expansion bushing is by pressure
It inwardly urges and clamps cutter 13 using it.In this embodiment, it is additionally provided on bracket in the inside of chuck inwardly prominent
Barrier element out, being used for the bond layout between two clamping sections of bracket is the blocking on the tool shank of cutter
In the complementary elements of groove.Here engagement can also be matched via shape of the barrier element in corresponding complementary elements to prevent knife
Have from the axially displaced of knife rest.It can also be similar to that shrink-fit chuck uses the oild chuck with tapered sleeve.
Knife rest 1 also can be designed as clamping jaw chuck/collet chuck, and wherein bracket is formed as clamping jaw/collet, and the clamping jaw/
Collet is arranged in the bracket opening of main body and deformable by means of clamping element.Clamping jaw/collet has for contacting against bracket
The male cone (strobilus masculinus) of the inner conical surface of opening.Then inner conical surface and male cone (strobilus masculinus) are adjusted each other, allows clamping jaw/collet by means of axial direction
It shifts and is pressed inwardly the tool shank for contracing therefore clamping cutter.Clamping jaw/collet also has form on bracket inside it
For the inwardly projecting barrier element of coiled type protrusion, it is used between two clamping sections of bracket be bonded on to be designed as
In the complementary elements of barrier trench on the tool shank of cutter.The axially displaced of collet is generated by clamping element, the clamping
Element is designed to the screwed ring being screwed on the external screw thread on the front end of main body herein.The axially displaced of collet can be with
By means of for example being occurred using the axial force that hydraulic compression device applies from outside.
In another embodiment, knife rest also can be designed as so-called roller power chuck.Main body has to be arranged in front
There is clamping zone of the longitudinal groove as the bracket of the tool shank for cutter.It is usually arranged on deformable clamping zone
Have and is mounted to by means of needle bearing or other roller bearings/roller bearing rotation chuck, it can be variable by its rotation
Apply chucking power on the clamping zone of shape.The needle roller in bearing cage is mounted on during chuck rotation in the tapered inner surface of chuck
It is rolled in the tapered outer surface of deformable clamping zone, so that chuck can via needle roller pressing during the clamping of chuck
The clamping zone of deformation is so that deformable clamping zone to be pressed against on the shank of cutter.Inwardly projecting barrier element is herein
It is also designed as coiled type protrusion, for being bonded on the tool shank being designed as in cutter between two clamping sections of bracket
On barrier trench complementary elements in.Barrier element is then disposed on the inside of deformable clamping zone.However,
Further barrier element can be arranged in main body.Alternatively, it is also possible between deformable clamping zone and tool shank
Arrange tapered sleeve.
2013/098192 A1 of WO is related to different embodiment and its feature completely, its content is included herein.
The present invention is not limited to HSK knife rest naturally.Accordingly it is also possible to which SK, JIS, BT, ABS or Capto are arranged in main body
Interface etc..
Barrier element is not necessarily disposed in the deformable region of bracket.They can also be located in non-deformable region
Or in the region of main body.
Reference signs list
1 knife rest
2 main bodys
3 brackets
The outer clamping section of 3a bracket
The interior clamping section of 3b bracket
4 fronts
5 brackets opening
6 rear portions
7 holder channels
8 installation parts
9a, 9b barrier element
10 supporting surfaces
11 ring-shaped grooves
12a, 12b other ring-shaped groove
13 cutters
14a, 14b complementary elements
The face of 15 cutters
16 bottom sections
17 through-holes
18 intermediate regions
Claims (21)
1. a kind of knife rest (1) has main body (2), the deformable bracket (3) for clamping cutter (13) and at least one blocking member
Part (9a；9b), at least one described barrier element is designed as being joined to the corresponding complementary elements (14a on the cutter (13)；
To prevent the cutter (13) from axially falling off from the knife rest (1) in 14b), at least one described barrier element is arranged in described
On bracket (3), which is characterized in that the bracket (3) has two clamping sections (3a, 3b) being separated from each other, it is described at least
One barrier element (9a；It 9b) is arranged between described two clamping sections (3a, 3b).
2. knife rest (1) according to claim 1, which is characterized in that at least one barrier element (9a；9b) it is arranged in
In the supporting surface (10) being radially outwardly diverging from relative to the bracket (3).
3. knife rest (1) according to claim 2, which is characterized in that the supporting surface (10) is formed in circumferential annular ditch
In slot (11).
4. knife rest (1) according to any one of the preceding claims, which is characterized in that in the barrier element (9a；9b)
With described two clamping section (3a of the bracket (3)；Other circumferential ring-shaped groove (12a is disposed between 3b)；12b).
5. according to the knife rest as claimed in claim 4 (1) for drawing claim 3 is returned, which is characterized in that the other circumferential annular
Groove (12a；12b) it is radially outwardly diverging from relative to the circumferential ring-shaped groove (11) with the supporting surface (10).
6. knife rest (1) according to any one of the preceding claims, which is characterized in that the bracket (3) is designed to column
Shape hole.
7. knife rest (1) according to any one of the preceding claims, which is characterized in that at least one barrier element (9a；
9b) it is designed to inwardly projecting protrusion.
8. knife rest (1) according to any one of the preceding claims, which is characterized in that the barrier element (9a；9b) have
There is semicircle or part circular cross section.
9. knife rest (1) according to any one of the preceding claims, which is characterized in that at least one described barrier element
(9a；9b) at least extended in a manner of helix on the circumferential part of the bracket (3) in the inside of the bracket (3).
10. knife rest (1) according to any one of the preceding claims, which is characterized in that multiple barrier element (9a；9b) exist
It to be equally angularly spaced out is arranged in circumferential direction on the bracket (3).
11. knife rest (1) according to any one of claim 1 to 10, which is characterized in that the bracket (3) is arranged on
In the bracket opening (5) of the main body (2) and can using expansion bushing of the hydraulic fluid from external action on it, it is described extremely
A few barrier element (9a；It 9b) is arranged in inside the expansion bushing.
12. knife rest (1) according to any one of claim 1 to 10, which is characterized in that the bracket (3) is designed to
The shrink-fit chuck being integrally formed with the main body (2), at least one barrier element (9a；9b) it is arranged in the contraction
Cooperate inside chuck.
13. knife rest (1) according to any one of claim 1 to 10, which is characterized in that the bracket (3) is designed to
The tapered sleeve being arranged in shrink-fit chuck, at least one barrier element (9a；9b) it is arranged in the tapered sleeve
It is internal.
14. knife rest (1) according to any one of claim 1 to 10, which is characterized in that the bracket (3) is designed to
Be arranged in the main body (2) bracket opening (5) in and can by means of clamping element deform clamping jaw chuck, described at least one
A barrier element (9a；It 9b) is arranged in inside the clamping jaw chuck.
15. knife rest (1) according to any one of claim 1 to 10, which is characterized in that the bracket (3) is designed to
The clamping zone being arranged on the front of the main body (2), the clamping zone can be by means of being mounted to exist by roller bearing
The chuck that is rotated on the main body (2) and deform.
16. knife rest (1) according to any one of the preceding claims, which is characterized in that the bracket (3) is by ceramics, gold
The mixture composition of category or both.
17. knife rest (1) according to any one of the preceding claims, which is characterized in that the length of interior clamping section (3b)
It is at least the 1/20 of the length of outer clamping section (3a), preferably at least 1/10, and especially at least 1/5.
18. one kind has the grasping system of knife rest (1) and cutter (13), wherein the knife rest (1) includes that at least one stops member
Part (9a；9b), at least one described barrier element is designed to be joined to the corresponding complementary elements (14a on the cutter (13)；
To prevent the cutter (13) from axially falling off from the knife rest (1) in 14b), which is characterized in that the knife rest (1) is according to power
Benefit requires any one of 1 to 17 design.
19. the manufacturing method of deformable bracket (3) of the one kind for clamping cutter (13), the deformable bracket (3) are designed to
It can be inserted into the main body (2) of knife rest (1) or integral with the main body, wherein there is the bracket (3) at least one to stop member
Part (9a；9b), at least one described barrier element is designed as being bonded on the corresponding complementary elements (14a on the cutter (13)；
To prevent the cutter (13) from axially falling off from the bracket (3) in 14b), the bracket (3) is to pass through life by means of subtracting material method
At notch made of metal solid material, which is characterized in that during generating the notch, to be formed and the bracket (3)
Integrally formed barrier element (9a；9b), at least one protrusion being projected into the notch is reserved in this wise or in this way will be recessed
Slot is introduced into the bracket, so that the bracket (3) is divided into two clamping section (3a；3b) and it is described at least one blocking
Element (9a；It 9b) is arranged between described two clamping sections.
20. according to the method for claim 18, which is characterized in that the material method that subtracts is spark erosion method or electrochemistry removal
The combination of method or two methods.
21. the manufacturing method of deformable bracket (3) of the one kind for clamping cutter (13), the deformable bracket are designed to insert
Enter in the main body (2) of knife rest (1) or integral with the main body, wherein the deformable bracket (3) is at least one blocking
Element (9a；9b), at least one described barrier element is designed as the corresponding complementary elements being bonded on the cutter (13)
(14a；To prevent the cutter (13) from axially falling off from the bracket (3) in 14b), which is characterized in that the deformable bracket
It (3) is to be manufactured by means of increasing material method, wherein in order to generate the barrier element (9a being integrally formed with the bracket (3)；9b), it mentions
For at least one protrusion being projected into the bracket (3), so that the bracket (3) is divided into two clamping section (3a；3b),
At least one barrier element (9a；It 9b) is arranged between described two clamping sections.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311096292.9A CN117123819A (en) | 2016-08-12 | 2017-08-09 | Tool holder, clamping system for such a tool holder, and method for producing a tool holder for such a tool holder |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102016115029.0A DE102016115029A1 (en) | 2016-08-12 | 2016-08-12 | Tool holder and clamping system with such a tool holder and method for producing a tool holder for such a tool holder |
| DE102016115029.0 | 2016-08-12 | ||
| PCT/EP2017/070147 WO2018029235A1 (en) | 2016-08-12 | 2017-08-09 | Tool holder and clamping system having such a tool holder, and method for producing a tool receptacle for such a tool holder |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311096292.9A Division CN117123819A (en) | 2016-08-12 | 2017-08-09 | Tool holder, clamping system for such a tool holder, and method for producing a tool holder for such a tool holder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109562462A true CN109562462A (en) | 2019-04-02 |
Family
ID=59713982
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201780049246.XA Pending CN109562462A (en) | 2016-08-12 | 2017-08-09 | The manufacturing method of the grasping system and the cutter bracket for this knife rest of knife rest and this knife rest |
| CN202311096292.9A Pending CN117123819A (en) | 2016-08-12 | 2017-08-09 | Tool holder, clamping system for such a tool holder, and method for producing a tool holder for such a tool holder |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311096292.9A Pending CN117123819A (en) | 2016-08-12 | 2017-08-09 | Tool holder, clamping system for such a tool holder, and method for producing a tool holder for such a tool holder |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US11123805B2 (en) |
| EP (1) | EP3496886A1 (en) |
| JP (1) | JP6857234B2 (en) |
| CN (2) | CN109562462A (en) |
| DE (1) | DE102016115029A1 (en) |
| WO (1) | WO2018029235A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102019134596A1 (en) | 2019-12-16 | 2021-06-17 | Kennametal Inc. | Rotary cutting tool and tool assembly |
| CN112872515B (en) * | 2021-01-18 | 2022-03-04 | 北京亦盛精密半导体有限公司 | Linear cutting rapid positioning method and device |
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|---|---|---|---|---|
| DE10114240A1 (en) * | 2001-03-22 | 2003-01-30 | Johne & Co Praez Swerkzeuge Gm | rotary tool |
| CN2704436Y (en) * | 2004-06-30 | 2005-06-15 | 漳州升源机械工业有限公司 | Tool holding assembly |
| DE102010006918A1 (en) * | 2010-02-04 | 2011-08-04 | Schunk GmbH & Co. KG Spann- und Greiftechnik, 74348 | Connection system for releasably connecting two components |
| CN104903037A (en) * | 2012-12-21 | 2015-09-09 | 弗朗茨·海默机械制造两合公司 | Pre-loading damping system |
| CN105579173A (en) * | 2013-07-04 | 2016-05-11 | 施韦格勒沃克佐格法布里克有限两合公司 | Exchangeable head system for metal processing |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0314251Y2 (en) * | 1986-08-22 | 1991-03-29 | ||
| DE202011109498U1 (en) | 2011-12-27 | 2012-02-13 | Franz Haimer Maschinenbau Kg | Tool holder and clamping system with such a tool holder |
| CH699516A1 (en) * | 2008-09-10 | 2010-03-15 | Rego Fix Ag | Clamping system with tool safety. |
| DE102010024793B4 (en) * | 2010-06-23 | 2012-01-12 | Kennametal Inc. | chuck |
| WO2014103031A1 (en) * | 2012-12-28 | 2014-07-03 | 大昭和精機株式会社 | Tool holding structure |
| DE102013110043A1 (en) * | 2013-09-12 | 2015-03-12 | Haimer Gmbh | jig |
-
2016
- 2016-08-12 DE DE102016115029.0A patent/DE102016115029A1/en active Pending
-
2017
- 2017-08-09 EP EP17758076.8A patent/EP3496886A1/en active Pending
- 2017-08-09 CN CN201780049246.XA patent/CN109562462A/en active Pending
- 2017-08-09 JP JP2019506412A patent/JP6857234B2/en active Active
- 2017-08-09 CN CN202311096292.9A patent/CN117123819A/en active Pending
- 2017-08-09 US US16/324,615 patent/US11123805B2/en active Active
- 2017-08-09 WO PCT/EP2017/070147 patent/WO2018029235A1/en unknown
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10114240A1 (en) * | 2001-03-22 | 2003-01-30 | Johne & Co Praez Swerkzeuge Gm | rotary tool |
| CN2704436Y (en) * | 2004-06-30 | 2005-06-15 | 漳州升源机械工业有限公司 | Tool holding assembly |
| DE102010006918A1 (en) * | 2010-02-04 | 2011-08-04 | Schunk GmbH & Co. KG Spann- und Greiftechnik, 74348 | Connection system for releasably connecting two components |
| CN104903037A (en) * | 2012-12-21 | 2015-09-09 | 弗朗茨·海默机械制造两合公司 | Pre-loading damping system |
| CN105579173A (en) * | 2013-07-04 | 2016-05-11 | 施韦格勒沃克佐格法布里克有限两合公司 | Exchangeable head system for metal processing |
Also Published As
| Publication number | Publication date |
|---|---|
| JP6857234B2 (en) | 2021-04-14 |
| WO2018029235A1 (en) | 2018-02-15 |
| US20190168311A1 (en) | 2019-06-06 |
| DE102016115029A1 (en) | 2018-02-15 |
| US11123805B2 (en) | 2021-09-21 |
| JP2019531200A (en) | 2019-10-31 |
| CN117123819A (en) | 2023-11-28 |
| EP3496886A1 (en) | 2019-06-19 |
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Application publication date: 20190402 |